. American engineer . so far been unsuccessful.— The Engineer. 220 AMERICAN ENGINEER. Vol. 87, No. 4. PREST-O-WELDER The Prest-0-Lite Company, Indianapolis, Ind., has recentlyplaced on the market an oxy-acetylene portable welding outfitfor general use in repair shops. Storage tanks of 100 cu. are furnished for each of the gases used. The wholeequipment is mounted on a small steel truck as shown in theillustration which when fully assembled weighs 300 lbs. Atemperature of 6,300 deg. F. may be obtained with this appa-ratus, which is considerably more than that required to meltany of
. American engineer . so far been unsuccessful.— The Engineer. 220 AMERICAN ENGINEER. Vol. 87, No. 4. PREST-O-WELDER The Prest-0-Lite Company, Indianapolis, Ind., has recentlyplaced on the market an oxy-acetylene portable welding outfitfor general use in repair shops. Storage tanks of 100 cu. are furnished for each of the gases used. The wholeequipment is mounted on a small steel truck as shown in theillustration which when fully assembled weighs 300 lbs. Atemperature of 6,300 deg. F. may be obtained with this appa-ratus, which is considerably more than that required to meltany of the commercial metals. The acetylene is stored in acold drawn seamless steel tank, and is dissolved in acetone ina porous filling inside the tank. It is fed through a regulatingvalve, which automatically maintains a constant flow of the oxygen is controlled by a regulating valve so that theheat of the flame may be maintained at the desired tempera-ture. The welding points on the blowpipe are Oxy-Acetylene Welding Outfit. and easily adapted for different sorts of materials and operation of this device is not difficult, and the ordinaryworkman may soon become proficient in all its uses. Castiron, steel, brass, bronze or aluminum may be welded with it. STEEL BOX CAR LADDER An all-steel combination side and end ladder which includesroof grab irons, and is furnished in its complete form ready forbolting to the car, is being made by the Safety Steel LadderCompany, 810 Olive street, St. Louis, Mo. This ladder hasrungs riveted to stiles made of bar steel and is held the properdistance from the car side by cast iron spools on the holdingbolts. It requires no bolts in the roof and those in the sidesare so spaced as to encounter solid members of the framing,eliminating all danger of bolts becoming loose or pulling throughthe siding. At the top. the stiles are bent over and down so thatthe ends rest on the roof or on the side running board in the ca
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
